Apex Machining Co Ar-15/M16/308 Ar Apex Handguards 2″ Accessory Rail

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2″ rails attach to the other slots. Mfg: Apex Machining Co SPECS: 6061 T6 aluminum, hardcoat anodized, matte black.2″ rail also fits JP, Viking Tactics, and similar slotted handguards.